Logger.Write fails with the message :-
"The entry 'Category' has already been added.
(C:\\inetpub\\wwwroot\\SIMWebClient\\web.config line 152)" string
Source "System.Configuration"    string

line 152 is the <add line in
  <loggingConfiguration tracingEnabled="true"
defaultCategory="General">
    <logFilters>
      <add
    name="Category"

type="Microsoft.Practices.EnterpriseLibrary.Logging.Filters.CategoryFilter,
Microsoft.Practices.EnterpriseLibrary.Logging"
    categoryFilterMode="AllowAllExceptDenied">

The exact configuration file has worked on another machine.
Unfortunately I don't understand the failure.
John
P.S. I have a full stack trace if it would help.

Hodge schreef:

Show quoteHide quoteHi Hodge,

I had the exact same problem when I deployed an update of our
webservice on our development server. I did it like 50 times and it
worked every time, and now suddenly I got that freakin' exception.
But i solved it!

Good to know:
On our webserver we made a subdirectory in c:\Inetpub
(C:\Inetpub\Company), which is also a website in IIS, so not under
Default website. In that directory we deployed our webservices.

Solution:
I did 2 things:
1) I deleted all the subfolders of C:\Inetpub\Company which had hidden
cache folders and stuff
2) I ran the ASP.NET IIS Registration Tool (Aspnet_regiis.exe) for the
..NET 2.0 framework to re-registrate the .NET 2.0 framework in IIS. You
just run the tool in your command window:
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Aspnet_regiis.exe -i

I don't know which part made it work again. It could be just one of
them or the both of them. All I know is that it worked for me and I'm
super happy!

Hope this helps you!

Kind regards,

xplain.

How to deploy this .net dll to staging?
.NET Framework 2.0 Configuration
DateTime.ParseExact weird behavior
Embedding a resource at runtime
Cancel Constructor (Me = Nothing)